The Bolt,internal Wrenching, cataloged under National Stock Number 5306-00-766-5489, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-766-5489 |
| Primary Part Number | 2037569 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Width Across Flats | 0.313 INCHES NOMINAL IN |
| Head Height | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Fastener Length | 1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN |
| Thread Length | 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN |
| Surface Treatment | PAINT OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.558 INCHES MINIMUM AND 0.568 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2037569 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| M020028-4 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-766-5489 is a Bolt,internal Wrenching, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-766-5489 has 1 manufacturer part number on file: 2037569 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2037569: Width Across Flats: 0.313 INCHES NOMINAL IN; Head Height: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Fastener Length: 1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM IN; Thread Length: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.